.logo {
  height: 32px;
  margin: 16px;
  background: rgba(255, 255, 255, 0.3);
}

.site-layout .site-layout-background {
  background: #fff;
}

.nav{
  width: 100%;
  height: 42px;
  border-top: 1px solid #1890ff;
  background-color: #fff;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  .left{
    width: 150px;
    height: 42px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    position: relative;
    &::after{
      content: " ";
      position: absolute;
      width: 0;
      height: 0;
      border: 15px solid;
      border-color: #fff transparent transparent;
      left: 50%;
      transform: translate(-50%);
      top:calc(100% - 1px);
    }
  }
  .right{
    line-height: 42px;
  }
}

.welcome{
  width: 100%;
  height: 400px;
  line-height: 400px;
  text-align: center;
  font-size: 20px;
}

// 轮播图
.carousel{
  width: 400px;
  h3{
    height: 160px;
  color: #fff;
  line-height: 160px;
  text-align:center;
  background: #364d79;
  }
}

/* tile uploaded pictures */
.avatar-item {
  margin-right: 24px;
}

[class*='-col-rtl'] .avatar-item {
  margin-right: 0;
  margin-left: 24px;
}